Lyon v Besiktas: Fans clash as violence erupts in stands at Europa League tie Thu, April 13, 2017
Lyon's Europa League quarter-final against Besiktas was delayed due to a pitch invasion and fighting in the stands prior to kick-off
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Lyon and Besiktas' Europa League tie was delayed due to fighting in the crowd
Individuals from both sets of fans were involved in horrific violent scenes ahead of kick-off in Lyon, with many younger supporters being caught up in the chaos inside the stadium.
Fans were forced to invade the pitch to escape the carnage, causing the quarter-final first leg to be delayed by 45 minutes.
Stewards and police eventually restored order inside the stadium, with Ryan Babel handing Besiktas the lead when the match finally got under way.
Scroll through the gallery above to see the nightmare pictures from inside the Parc Olympique Lyonnais as Lyon and Besiktas fans clash.